code: def _init_posix(vars):
      """Initialize the module as appropriate for POSIX systems."""
      # _sysconfigdata is generated at build time, see _generate_posix_vars()
      name = _get_sysconfigdata_name()
      _temp = __import__(
          name, globals(), locals(), ["build_time_vars"], 0
      )
      build_time_vars = _temp.build_time_vars
      vars.update(build_time_vars)
  
imports: import os
  import sys
  import threading
  from os.path import realpath
label_desc: Use image node_id 13 for calling a global function with example usage: _init_posix(vars) without return types